# -*- coding:utf-8 -*-

import os

if __name__ == '__main__':
    file_shortname = "7.txt"
    dir_base = os.path.abspath('.')
    dir_relate="example_txt"
    dir_full_path=os.path.join(dir_base,dir_relate)
    file_full_path=os.path.join(dir_full_path,file_shortname)

    print("dir_base:"+dir_base)
    print("dir_full_path:"+dir_full_path)
    print("file_full_path:"+file_full_path)

